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Active head restraint for a vehicle seat

  • US 7,894,960 B2
  • Filed: 04/01/2008
  • Issued: 02/22/2011
  • Est. Priority Date: 04/01/2008
  • Status: Expired due to Fees
First Claim
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1. An active head restraint system comprising:

  • an actuator adapted to be mounted to a vehicle seat for actuating a head restraint;

    a sensor for detecting a position of an occupant'"'"'s head relative to the head restraint; and

    a controller in communication with the actuator, the sensor, and a triggering element for detecting a current or impending impact event, the controller comprising computer executable instructions to;

    receive an impact signal;

    receive the position of the occupant'"'"'s head relative to the head restraint as input to determine whether to enable actuation of the head restraint;

    actuate the head restraint to move towards the occupant'"'"'s head based on the input; and

    control head restraint actuation in response to the impact signal and the position of the occupant'"'"'s head relative to the head restraint to optimize movement of the head restraint as the head restraint moves proximate to the occupant'"'"'s head.

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